1.10695
N-[Tris(hydroxymethyl)-methyl]-2-aminoethanesulfonic acid
Buffer substance TES
Synonym(s):
N-[Tris(hydroxymethyl)-methyl]-2-aminoethanesulfonic acid, TES
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About This Item
CAS Number:
Molecular Weight:
229.24
MDL number:
UNSPSC Code:
12161703
EC Index Number:
230-906-3
NACRES:
NA.05
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Quality Level
form
solid
mp
226-228 °C
storage temp.
2-30°C
InChI
1S/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13)
InChI key
JOCBASBOOFNAJA-UHFFFAOYSA-N
General description
Buffer substance TES
Application
N-[Tris(hydroxymethyl)-methyl]-2-aminoethanesulfonic acid Buffer substance TES. CAS 7365-44-8, molar mass 229.24 g/mol.
Analysis Note
Assay (alkalimetric)≥ 99 %Identity (IR-spectrum)passes testUV-Absorption (250 nm, 50 g/l, 1 cm, water)≤ 0.05Sulphate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Na (Sodium)≤ 0.1 %Loss on Drying (105°C)≤ 0.2 %Biological buffer, pKa at 20 °C7.50
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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